Mineral: | Tourmaline, Variety: Elbaite / Feldspar, Variety: Microcline / Albite | Chemical Formula: | Na(Li1,5AL1,5)Al6(BO3)3[Si6O18](OH)3(OH) / KAlSi3O8 / NaAlSi3O8 | Size: | 85,7 x 62,5 x 44,5 crystal: 58,1 x 24,0 mm | Weight: | | Transparence: | translucent - transparent | Quantity: | | Origin: | Mine close to Letpanhla village near Mount Pyin Kyi Thaung, Singu Township, Mandalay Division, Burma (Myanmar) | This is a big blue head tourmaline from Letpanhla mine. The large crystal is doubly terminate but has a damaged at the side of the top. Most other crystals are terminated with a thin blue layer on the top. Fine cabinet sized specimen.
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